From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen-Yu Tsai Date: Mon, 23 May 2016 20:41:38 +0800 Subject: [U-Boot] [PATCH 02/10] ARM: PSCI: save and restore clobbered registers in v7_flush_dcache_all In-Reply-To: <1464007306-30269-1-git-send-email-wens@csie.org> References: <1464007306-30269-1-git-send-email-wens@csie.org> Message-ID: <1464007306-30269-3-git-send-email-wens@csie.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Signed-off-by: Chen-Yu Tsai --- arch/arm/cpu/armv7/psci.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/cpu/armv7/psci.S b/arch/arm/cpu/armv7/psci.S index cdd001fe3fb0..ab408378fcae 100644 --- a/arch/arm/cpu/armv7/psci.S +++ b/arch/arm/cpu/armv7/psci.S @@ -110,6 +110,7 @@ ENDPROC(psci_get_cpu_id) /* Imported from Linux kernel */ LENTRY(v7_flush_dcache_all) + stmfd sp!, {r4-r5, r7, r9-r11, lr} dmb @ ensure ordering with previous memory accesses mrc p15, 1, r0, c0, c0, 1 @ read clidr ands r3, r0, #0x7000000 @ extract loc from clidr @@ -153,6 +154,7 @@ finished: mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr dsb st isb + ldmfd sp!, {r4-r5, r7, r9-r11, lr} bx lr ENDPROC(v7_flush_dcache_all) -- 2.8.1